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Method and device for controlling output power of diesel engine

A technology of output power and diesel engine, applied in the direction of engine control, electrical control, fuel injection control, etc., can solve the problem that the diesel engine cannot work in the best stable state

Active Publication Date: 2019-04-05
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides a diesel engine output power control method and device to solve the problem that the existing technical solutions cannot make the diesel engine work in the best stable state when adjusting the diesel engine output power

Method used

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  • Method and device for controlling output power of diesel engine
  • Method and device for controlling output power of diesel engine

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Effect test

Embodiment 1

[0064] Embodiment 1 of the present invention discloses a diesel engine output power control method, the flow chart is as follows figure 1 As shown, the diesel engine output power control method includes:

[0065] S101, based on the total power P of the diesel engine, the efficiency coefficient a of the current gear, and the auxiliary power P of the current gear 1 and the preset transmission efficiency b, calculate the locomotive traction power P 2 ;

[0066] In the process of executing step S101, the position of the controller handle determines the current gear of the diesel engine, and then the efficiency coefficient of the current gear and the auxiliary power of the current gear can be determined, and then the traction of the locomotive can be calculated according to the total power of the diesel engine and the preset transmission coefficient. power;

[0067] S102, according to the preset proportional-integral-derivative control algorithm, the locomotive traction power P ...

Embodiment 2

[0075] Based on the above-mentioned method for controlling the output power of a diesel engine disclosed in Embodiment 1 of the present invention, such as figure 1 In the shown step S101, based on the total power P of the diesel engine, the efficiency coefficient a of the current gear, and the auxiliary power P of the current gear 1 and the preset transmission efficiency b, calculate the locomotive traction power P 2 The specific execution process, such as figure 2 shown, including:

[0076] S201, based on the total power P of the diesel engine and the efficiency coefficient a of the current gear, calculate the output power P of the current gear 6 ;

[0077] In step S201, formula (2) is used to calculate the current gear output power P 6 :

[0078] P 6 =P*a(2);

[0079] S202, output power P according to the current gear position 6 and the current gear auxiliary power P 1 , to calculate the output power P of the main engine of the generator 7 ;

[0080] In step S202...

Embodiment 3

[0112] Based on the above-mentioned diesel engine output power control method provided by each embodiment of the present invention, the third embodiment of the present invention correspondingly discloses a diesel engine output power control device that implements the above-mentioned diesel engine output power control method, and its structural diagram is as follows Figure 5 As shown, the diesel engine output power control device 500 includes: a first calculation module 501, a second calculation module 502, a third calculation module 503 and an adjustment module 504; wherein,

[0113] The first calculation module 501 is used to calculate the total power P of the diesel engine, the efficiency coefficient a of the current gear, and the auxiliary power P of the current gear 1 and the preset transmission efficiency b, calculate the locomotive traction power P 2 ;

[0114] The second calculation module 502 is used to calculate according to the preset proportional-integral-derivati...

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Abstract

The invention discloses a control method and device for output power of a diesel engine. The method comprises the steps of calculating locomotive pulling power based on the total diesel engine power, the current gear efficiency coefficient, the current gear auxiliary power and the preset transmission efficiency; calculating current gear target output power according to the preset proportion-integral-derivative control algorithm, the locomotive pulling power and the preset output power adjusting coefficient; calculating the adjusting power of the diesel engine according to the locomotive current power, the preset adjusting time and the current gear target output power; and adjusting the current locomotive power to the current gear target output power according to the adjusting power of the diesel engine. On the basis of the method, the output power of the diesel engine can be automatically adjusted, and the diesel engine works in the optimum state.

Description

technical field [0001] The invention relates to the technical field of diesel engine control, in particular to a method and device for controlling output power of a diesel engine. Background technique [0002] Now, with the rapid development of microcomputers, many electric transmission internal combustion engines have canceled the oil motor excitation system, and replaced it with a double-backup microcomputer excitation system. Since each rotational speed of the diesel engine corresponds to a different reference value of the fuel injection volume, it is possible to judge whether the diesel engine is overloaded by detecting the fuel injection volume collected by the diesel engine control box, and then increase or decrease the power of the main generator by controlling the diesel engine speed to increase or decrease. Small, to achieve the purpose of continuous improvement of locomotive start and speed regulation performance. [0003] However, this solution has the following ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/30F02D41/02F02D41/14
CPCF02D41/0215F02D41/1401F02D41/30F02D2041/1409F02D2200/50F02D2250/18
Inventor 鲍睿张东方李玮斌郜永涛吴柏华刘晨勇代宏泽
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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